/**
 * @license Highcharts JS v8.0.4 (2020-03-10)
 *
 * Dependency wheel module
 *
 * (c) 2010-2018 Torstein Honsi
 *
 * License: www.highcharts.com/license
 */
'use strict';
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        factory['default'] = factory;
        module.exports = factory;
    } else if (typeof define === 'function' && define.amd) {
        define('highcharts/modules/dependency-wheel', ['highcharts', 'highcharts/modules/sankey'], function (Highcharts) {
            factory(Highcharts);
            factory.Highcharts = Highcharts;
            return factory;
        });
    } else {
        factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
    }
}(function (Highcharts) {
    var _modules = Highcharts ? Highcharts._modules : {};

    function _registerModule(obj, path, args, fn) {
        if (!obj.hasOwnProperty(path)) {
            obj[path] = fn.apply(null, args);
        }
    }

    _registerModule(_modules, 'modules/dependency-wheel.src.js', [_modules['parts/Globals.js'], _modules['parts/Utilities.js']], function (H, U) {
        /* *
         *
         *  Dependency wheel module
         *
         *  (c) 2018-2020 Torstein Honsi
         *
         *  License: www.highcharts.com/license
         *
         *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
         *
         * */
        var animObject = U.animObject, seriesType = U.seriesType;
        var base = H.seriesTypes.sankey.prototype;
        /**
         * @private
         * @class
         * @name Highcharts.seriesTypes.dependencywheel
         *
         * @augments Highcharts.seriesTypes.sankey
         */
        seriesType('dependencywheel', 'sankey',
            /**
             * A dependency wheel chart is a type of flow diagram, where all nodes are
             * laid out in a circle, and the flow between the are drawn as link bands.
             *
             * @sample highcharts/demo/dependency-wheel/
             *         Dependency wheel
             *
             * @extends      plotOptions.sankey
             * @exclude      dataSorting
             * @since        7.1.0
             * @product      highcharts
             * @requires     modules/dependencywheel
             * @optionparent plotOptions.dependencywheel
             */
            {
                /**
                 * The center of the wheel relative to the plot area. Can be
                 * percentages or pixel values. The default behaviour is to
                 * center the wheel inside the plot area.
                 *
                 * @type    {Array<number|string|null>}
                 * @default [null, null]
                 * @product highcharts
                 */
                center: [null, null],
                curveFactor: 0.6,
                /**
                 * The start angle of the dependency wheel, in degrees where 0 is up.
                 */
                startAngle: 0
            }, {
                orderNodes: false,
                getCenter: H.seriesTypes.pie.prototype.getCenter,
                /* eslint-disable valid-jsdoc */
                /**
                 * Dependency wheel has only one column, it runs along the perimeter.
                 * @private
                 */
                createNodeColumns: function () {
                    var columns = [this.createNodeColumn()];
                    this.nodes.forEach(function (node) {
                        node.column = 0;
                        columns[0].push(node);
                    });
                    return columns;
                },
                /**
                 * Translate from vertical pixels to perimeter.
                 * @private
                 */
                getNodePadding: function () {
                    return this.options.nodePadding / Math.PI;
                },
                createNode: function (id) {
                    var node = base.createNode.call(this, id);
                    node.index = this.nodes.length - 1;
                    /**
                     * Return the sum of incoming and outgoing links.
                     * @private
                     */
                    node.getSum = function () {
                        return node.linksFrom
                            .concat(node.linksTo)
                            .reduce(function (acc, link) {
                                return acc + link.weight;
                            }, 0);
                    };
                    /**
                     * Get the offset in weight values of a point/link.
                     * @private
                     */
                    node.offset = function (point) {
                        var offset = 0, i, links = node.linksFrom.concat(node.linksTo), sliced;

                        /**
                         * @private
                         */
                        function otherNode(link) {
                            if (link.fromNode === node) {
                                return link.toNode;
                            }
                            return link.fromNode;
                        }

                        // Sort and slice the links to avoid links going out of each
                        // node crossing each other.
                        links.sort(function (a, b) {
                            return otherNode(a).index - otherNode(b).index;
                        });
                        for (i = 0; i < links.length; i++) {
                            if (otherNode(links[i]).index > node.index) {
                                links = links.slice(0, i).reverse().concat(links.slice(i).reverse());
                                sliced = true;
                                break;
                            }
                        }
                        if (!sliced) {
                            links.reverse();
                        }
                        for (i = 0; i < links.length; i++) {
                            if (links[i] === point) {
                                return offset;
                            }
                            offset += links[i].weight;
                        }
                    };
                    return node;
                },
                /**
                 * @private
                 * @todo Override the refactored sankey translateLink and translateNode
                 * functions instead of the whole translate function.
                 */
                translate: function () {
                    var options = this.options, factor = 2 * Math.PI /
                        (this.chart.plotHeight + this.getNodePadding()), center = this.getCenter(),
                        startAngle = (options.startAngle - 90) * H.deg2rad;
                    base.translate.call(this);
                    this.nodeColumns[0].forEach(function (node) {
                        // Don't render the nodes if sum is 0 #12453
                        if (node.sum) {
                            var shapeArgs = node.shapeArgs, centerX = center[0], centerY = center[1], r = center[2] / 2,
                                innerR = r - options.nodeWidth, start = startAngle + factor * shapeArgs.y,
                                end = startAngle +
                                    factor * (shapeArgs.y + shapeArgs.height);
                            // Middle angle
                            node.angle = start + (end - start) / 2;
                            node.shapeType = 'arc';
                            node.shapeArgs = {
                                x: centerX,
                                y: centerY,
                                r: r,
                                innerR: innerR,
                                start: start,
                                end: end
                            };
                            node.dlBox = {
                                x: centerX + Math.cos((start + end) / 2) * (r + innerR) / 2,
                                y: centerY + Math.sin((start + end) / 2) * (r + innerR) / 2,
                                width: 1,
                                height: 1
                            };
                            // Draw the links from this node
                            node.linksFrom.forEach(function (point) {
                                if (point.linkBase) {
                                    var distance;
                                    var corners = point.linkBase.map(function (top, i) {
                                        var angle = factor * top, x = Math.cos(startAngle + angle) * (innerR + 1),
                                            y = Math.sin(startAngle + angle) * (innerR + 1),
                                            curveFactor = options.curveFactor;
                                        // The distance between the from and to node
                                        // along the perimeter. This affect how curved
                                        // the link is, so that links between neighbours
                                        // don't extend too far towards the center.
                                        distance = Math.abs(point.linkBase[3 - i] * factor - angle);
                                        if (distance > Math.PI) {
                                            distance = 2 * Math.PI - distance;
                                        }
                                        distance = distance * innerR;
                                        if (distance < innerR) {
                                            curveFactor *= (distance / innerR);
                                        }
                                        return {
                                            x: centerX + x,
                                            y: centerY + y,
                                            cpX: centerX + (1 - curveFactor) * x,
                                            cpY: centerY + (1 - curveFactor) * y
                                        };
                                    });
                                    point.shapeArgs = {
                                        d: [
                                            'M',
                                            corners[0].x, corners[0].y,
                                            'A',
                                            innerR, innerR,
                                            0,
                                            0,
                                            1,
                                            corners[1].x, corners[1].y,
                                            'C',
                                            corners[1].cpX, corners[1].cpY,
                                            corners[2].cpX, corners[2].cpY,
                                            corners[2].x, corners[2].y,
                                            'A',
                                            innerR, innerR,
                                            0,
                                            0,
                                            1,
                                            corners[3].x, corners[3].y,
                                            'C',
                                            corners[3].cpX, corners[3].cpY,
                                            corners[0].cpX, corners[0].cpY,
                                            corners[0].x, corners[0].y
                                        ]
                                    };
                                }
                            });
                        }
                    });
                },
                animate: function (init) {
                    if (!init) {
                        var duration = animObject(this.options.animation).duration,
                            step = (duration / 2) / this.nodes.length;
                        this.nodes.forEach(function (point, i) {
                            var graphic = point.graphic;
                            if (graphic) {
                                graphic.attr({opacity: 0});
                                setTimeout(function () {
                                    graphic.animate({opacity: 1}, {duration: step});
                                }, step * i);
                            }
                        }, this);
                        this.points.forEach(function (point) {
                            var graphic = point.graphic;
                            if (!point.isNode && graphic) {
                                graphic.attr({opacity: 0})
                                    .animate({
                                        opacity: 1
                                    }, this.options.animation);
                            }
                        }, this);
                    }
                }
                /* eslint-enable valid-jsdoc */
            },
            // Point class
            {
                setState: H.NodesMixin.setNodeState,
                /* eslint-disable valid-jsdoc */
                /**
                 * Return a text path that the data label uses.
                 * @private
                 */
                getDataLabelPath: function (label) {
                    var renderer = this.series.chart.renderer, shapeArgs = this.shapeArgs,
                        upperHalf = this.angle < 0 || this.angle > Math.PI, start = shapeArgs.start,
                        end = shapeArgs.end;
                    if (!this.dataLabelPath) {
                        this.dataLabelPath = renderer
                            .arc({open: true})
                            // Add it inside the data label group so it gets destroyed
                            // with the label
                            .add(label);
                    }
                    this.dataLabelPath.attr({
                        x: shapeArgs.x,
                        y: shapeArgs.y,
                        r: (shapeArgs.r +
                            (this.dataLabel.options.distance || 0)),
                        start: (upperHalf ? start : end),
                        end: (upperHalf ? end : start),
                        clockwise: +upperHalf
                    });
                    return this.dataLabelPath;
                },
                isValid: function () {
                    // No null points here
                    return true;
                }
                /* eslint-enable valid-jsdoc */
            });
        /**
         * A `dependencywheel` series. If the [type](#series.dependencywheel.type)
         * option is not specified, it is inherited from [chart.type](#chart.type).
         *
         * @extends   series,plotOptions.dependencywheel
         * @exclude   dataSorting
         * @product   highcharts
         * @requires  modules/dependencywheel
         * @apioption series.dependencywheel
         */
        /**
         * A collection of options for the individual nodes. The nodes in a dependency
         * diagram are auto-generated instances of `Highcharts.Point`, but options can
         * be applied here and linked by the `id`.
         *
         * @extends   series.sankey.nodes
         * @type      {Array<*>}
         * @product   highcharts
         * @excluding offset
         * @apioption series.dependencywheel.nodes
         */
        /**
         * An array of data points for the series. For the `dependencywheel` series
         * type, points can be given in the following way:
         *
         * An array of objects with named values. The following snippet shows only a
         * few settings, see the complete options set below. If the total number of data
         * points exceeds the series' [turboThreshold](#series.area.turboThreshold),
         * this option is not available.
         *
         *  ```js
         *     data: [{
         *         from: 'Category1',
         *         to: 'Category2',
         *         weight: 2
         *     }, {
         *         from: 'Category1',
         *         to: 'Category3',
         *         weight: 5
         *     }]
         *  ```
         *
         * @type      {Array<*>}
         * @extends   series.sankey.data
         * @product   highcharts
         * @excluding outgoing, dataLabels
         * @apioption series.dependencywheel.data
         */
        /**
         * Individual data label for each node. The options are the same as
         * the ones for [series.dependencywheel.dataLabels](#series.dependencywheel.dataLabels).
         *
         * @apioption series.dependencywheel.nodes.dataLabels
         */
        ''; // adds doclets above to the transpiled file

    });
    _registerModule(_modules, 'masters/modules/dependency-wheel.src.js', [], function () {


    });
}));